2001055245340 has 12 divisors (see below), whose sum is σ = 4202216015256. Its totient is φ = 800422098128.

The previous prime is 2001055245323. The next prime is 2001055245361. The reversal of 2001055245340 is 435425501002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50026381114 + ... + 50026381153.

It is an arithmetic number, because the mean of its divisors is an integer number (350184667938).

Almost surely, 2^{2001055245340} is an apocalyptic number.

2001055245340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2001055245340 is an abundant number, since it is smaller than the sum of its proper divisors (2201160769916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2001055245340 is a wasteful number, since it uses less digits than its factorization.

2001055245340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100052762276 (or 100052762274 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

It can be divided in two parts, 200105 and 5245340, that added together give a palindrome (5445445).

The spelling of 2001055245340 in words is "two trillion, one billion, fifty-five million, two hundred forty-five thousand, three hundred forty".